Potomac is a PASX-based "distribution" of Open-Source software written in Java. It is designed to solve the problem of compiling and configuring all the dependencies and extras for PASX. Potomac is not only easier to pronounce but easier to start using. Potomac consists of the following open-source Java projects: Protomatter, PASX, Xerces, JDOM, Tomcat, and RUE.